Valsad/Rohtak, July 18 The Special Operations Group (SOG) of Gujarat Police's Valsad unit has arrested the alleged mastermind behind an international illegal call centre that was busted in Dungra last month, marking a major breakthrough in a cyber fraud investigation that began with a virtual number linked to a Chinese application and progressed without any cooperation from foreign entities.The accused, identified as Yuvraj Saluja, 33, a businessman, was arrested in Rohtak, Haryana, and handed over to the investigating officer at Vapi GIDC Police Station for further legal proceedings.According to the officials, the investigation stems from a raid conducted on June…